<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>lesson 34</title>
    <script src="https://unpkg.com/vue@next"></script>
</head>

<body>
    <div id="root"></div>
</body>

</html>
<script>
    const app = Vue.createApp({
        template: `<div @click="handleClick">{{name}}</div>`,
        methods: {
            test() {
                console.log(this.$options.setup());
            }
        },
        mounted() {
            this.test();
        },
        // created 实例被完全初始化之前
        setup(props, context) {
            return {
                name: "张三",
                handleClick: () => {
                    alert("哈哈哈");
                }
            }
        }
    });
    const vm = app.mount("#root");
</script>